Climate Science Glossary

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All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.

The consensus gap

Public perception (55%) comes from a survey conducted by John Cook on a representative USA sample, asking the question "How many climate experts agree that the global warming we are witnessing is a direct consequence of the burning of fossil fuels by humans?" Participants were requested through professional survey firm Qualtrics.